Home / 3,177.81-4,384.36-2,059.61

Finding the Fourth Proportional to 3,177.81, 4,384.36 and 2,059.61

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Solution

The fourth proportional to 3,177.81, 4,384.36 and 2,059.61 is: 2,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.81 : 4,384.36 = 2,059.61 : x
  2. Step 2: Convert to fraction form
    3,177.81/4,384.36 = 2,059.61/x
  3. Step 3: Cross multiply
    3,177.81x = 4,384.36 × 2,059.61
  4. Step 4: Simplify right side
    3,177.81x = 9,030,071.70
  5. Step 5: Solve for x
    x = 9,030,071.70/3,177.81
  6. Step 6: Final answer
    x = 2,841.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.